Fits 2002-2007 Subaru Impreza WRX and WRX STI (including Limited models).

The Torque Solution Differential Brace (TS-SU-462) is engineered to stabilize the rear differential, significantly reducing drivetrain movement and eliminating the common rear-end "clunk" experienced during aggressive shifting and hard launches. By providing a more rigid mounting solution, this brace ensures more direct power transfer to the wheels while helping to mitigate wheel hop and drivetrain slop in high-performance street and track applications.

• Reduces rear differential movement for improved traction and response
• Helps eliminate drivetrain clunking during rapid gear changes
• Ideal for modified vehicles requiring additional drivetrain stability
• Manufacturer Part Number: TS-SU-462

Fits select 2000-2020 Subaru Legacy, Impreza WRX/STI, and Forester models.

The Torque Solution Solid Billet Rear Differential Brace (TS-SU-427BK-SB) is engineered to eliminate the excessive movement found in the factory differential mounting system. By replacing or reinforcing the compliant OEM setup with a rigid, CNC-machined billet aluminum brace, you significantly reduce drivetrain slop and wheel hop. This results in more immediate power transfer to the pavement and a more connected feel during hard launches and gear changes.

• CNC machined solid billet aluminum construction
• Durable black finish for corrosion resistance
• Reduces rear differential deflection for better traction
• Improves throttle response and shifting precision
• Direct bolt-on upgrade
• Manufacturer Part Number: TS-SU-427BK-SB

Fits select 2000-2020 Subaru Legacy, Impreza WRX/STI, WRX, STI, and Forester models.

The Torque Solution Rear Differential Brace (TS-SU-427BK) is engineered to eliminate excessive movement in the rear differential. By reinforcing the mounting points, this brace reduces drivetrain slop and flex, ensuring that power is transferred more efficiently to the wheels. This is a critical upgrade for drivers looking to improve throttle response and maintain drivetrain alignment during hard launches or aggressive cornering.

• Reduces rear differential rotation and movement
• Helps eliminate drivetrain slop for better power delivery
• Durable black finish for long-lasting protection
• Direct fit for supported Subaru platforms
• Manufacturer Part Number: TS-SU-427BK

Fits 2015-2024 Infiniti Q50 and 2017-2024 Infiniti Q60 models.

The Torque Solution Billet Differential Brace (TS-IQ-769) is engineered to eliminate excessive drivetrain deflection and "wheel hop" during hard launches or high-torque shifts. By securing the rear differential housing more rigidly to the subframe, this brace ensures more power is transferred directly to the tires instead of being lost to housing movement.

CNC machined from high-grade 6061-T6 billet aluminum, this brace provides a significant upgrade over stock mounting points. It is finished with a black anodized coating for long-term durability and corrosion resistance, making it an essential upgrade for tuned or high-performance Q50 and Q60 platforms.

• Eliminates wheel hop and reduces drivetrain slop
• CNC machined 6061-T6 billet aluminum construction
• Black anodized finish for corrosion resistance
• Direct bolt-on installation to existing mounting points
• Manufacturer Part Number: TS-IQ-769

Fits 2013-2026 Subaru BRZ, Toyota 86, GR86, and Scion FR-S.

The PERRIN Rear Subframe Lockdown Kit stabilizes the rear end of your chassis by eliminating the excessive movement found in the factory subframe bushings. From the factory, these bushings contain large voids designed to prioritize comfort over performance. This PERRIN kit fills those voids, significantly reducing drivetrain "squirm" and unwanted suspension geometry changes during hard acceleration, aggressive cornering, and heavy braking.

By securing the rear subframe more firmly to the vehicle's body, you gain a more predictable, connected driving experience and improved power delivery to the ground. This is an essential upgrade for drivers looking to sharpen handling response without the harshness often associated with full solid bushing replacements.

• Reduces rear subframe movement for improved handling precision
• Minimizes drivetrain slop during rapid weight transfer
• Durable construction designed for performance and longevity
• Direct fitment for specified Toyota, Subaru, and Scion chassis
• Manufacturer Part Number: PSP-SUS-532BK

Fits 2015-2026 Subaru WRX, 2015-2021 WRX STI, and 2022-2026 Subaru BRZ models.

The PERRIN Rear Subframe Lockdown Kit (PSP-SUS-531BK) is engineered to eliminate the compliance and "slop" inherent in the factory rubber subframe bushings. By solidifying the connection between the rear subframe and the vehicle chassis, this kit ensures that suspension geometry remains stable under extreme loads, providing more predictable handling and sharper turn-in response.

Removing this unwanted movement is critical for performance driving; it prevents the subframe from shifting during high-G cornering or hard launches, which directly improves power delivery and chassis feedback. This bolt-on solution replaces or reinforces factory mounting points to create a more connected driving experience without the need for a full subframe removal.

• Reduces subframe and drivetrain movement during acceleration and braking
• Enhances throttle response by minimizing energy loss through bushing deflection
• Provides a more rigid chassis feel for track and spirited street use
• Engineered for a precise fit with included high-grade hardware
• Manufacturer Part Number: PSP-SUS-531BK

Fits 2002-2007 Subaru Impreza WRX and WRX STI models (including Limited and TR trims).

The PERRIN Rear Differential and Subframe Lockdown System is designed to eliminate excessive movement in the rear drivetrain by securing the rear subframe and differential to the vehicle's chassis. This kit provides a more rigid connection, significantly reducing the common drivetrain "clunk" experienced during aggressive shifts and hard acceleration. By minimizing component deflection, you achieve more direct power delivery and a more predictable handling feel during high-performance driving.

• Eliminates rear subframe and differential movement for a solid drivetrain feel
• Reduces audible clunks and drivetrain slop during gear changes
• Improves throttle response and power transfer to the ground
• Engineered for a precise fit with factory mounting locations
• Manufacturer Part Number: PSP-SUS-525

Fits 1993-2007 Subaru Impreza, 2002-2007 WRX, 2004-2007 STI, and 1998-2008 Forester (including XT models).

The PERRIN Rear Subframe Lockdown (SLO) kit is designed to eliminate the sloppiness and shifting associated with the soft factory subframe bushings. By securing the rear subframe directly to the vehicle's unibody, this kit reduces drivetrain movement during aggressive driving, delivering more immediate power transfer and a more connected feel through the chassis.

• Eliminates rear subframe movement during hard acceleration, braking, and cornering
• Improves throttle response by reducing drivetrain deflection
• Constructed for precision fitment to factory mounting points
• Helps eliminate common drivetrain "clunks" in older Subaru chassis
• Manufacturer Part Number: PSP-SUS-520

Fits 2015-2021 Subaru WRX & STI, 2012-2025 Impreza, and 2024-2025 Crosstrek.

The PERRIN Rear Differential Lockdown System (PSP-DRV-536) is engineered to eliminate excessive movement in the rear differential, creating a more direct connection between the drivetrain and the chassis. By securing the differential mount, this system significantly reduces drivetrain slop and the common "thud" experienced during hard shifts or aggressive launches, leading to more immediate power delivery and sharper throttle response.

• Increases drivetrain rigidity for improved handling and power transfer
• Reduces unwanted rear differential movement and drivetrain lash
• Enhances throttle feel and gear-shift precision under load
• Constructed for long-term durability in high-performance applications
• Designed as a bolt-on solution for simplified installation
• Manufacturer Part Number: PSP-DRV-536

Fits select 1993-2008 Subaru Impreza, WRX, STI, and Forester models.

The PERRIN Rear Differential Lockdown (PSP-DRV-534) is engineered to eliminate the excessive movement and "clunking" associated with the soft factory rear differential bushings. By securing the differential carrier more rigidly to the subframe, this kit significantly reduces drivetrain slop and prevents the differential from pitching under hard acceleration and gear changes. This modification results in a more direct transfer of power to the wheels and sharper, more predictable throttle response.

• Increases drivetrain rigidity for improved power delivery and feedback
• Reduces differential movement during aggressive shifts and high-torque launches
• Bolts directly to factory mounting points to reinforce the rear subframe connection
• High-strength construction designed for longevity and performance use
• Manufacturer Part Number: PSP-DRV-534

Fits 2024-2025 Toyota Tacoma, 2025 Toyota 4Runner, and 2024-2025 Toyota Land Cruiser (250 Series). This ICON Vehicle Dynamics Front Differential Drop Kit is designed to correct front-end geometry on lifted applications by lowering the front differential. This adjustment improves CV axle angles at full suspension droop, maximizing available travel and preventing CV bind, especially when paired with ICON coilovers.

Built for durability and precision, the kit features CNC laser-cut and brake-formed steel brackets finished in a semi-gloss black powder coat for superior corrosion resistance. High-grade polyurethane mounting bushings replace the soft factory units to significantly reduce differential movement and deflection under heavy loads. This is a 100% bolt-on solution that requires no cutting or welding for a clean installation.

• Part Number: 55160
• Improves CV joint operating angles at maximum suspension extension
• CNC laser-cut and precision brake-formed steel construction
• Durable semi-gloss black powder coat finish
• Polyurethane bushings limit differential movement and improve response
• Designed specifically to maximize travel when using ICON coilover systems
• Easy 100% bolt-on installation

Fits 2022-2025 Toyota Tundra, 2023-2025 Toyota Sequoia, and 2024-2025 Lexus GX550.

The ICON Vehicle Dynamics Front Differential Drop Kit (MPN 55156) is engineered to correct front CV axle angles on the latest Toyota and Lexus body-on-frame platforms. By lowering the front differential, this kit improves the maximum operating angle of the CV joints during full suspension droop, which is critical for maintaining driveline longevity on leveled or lifted vehicles. To further enhance drivetrain stability, ICON replaces the soft factory rubber bushings with high-durometer polyurethane mounting bushings, significantly limiting differential movement and deflection under heavy load.

• CNC laser-cut, precision brake-formed steel construction for maximum durability
• Semi-gloss black powder coat finish provides superior corrosion resistance
• High-durometer polyurethane bushings limit differential deflection compared to OE mounts
• Improves CV axle operating angles at full suspension extension (droop)
• 100% bolt-on installation; no cutting, grinding, or welding required
• Manufacturer Part Number: 55156

Fits select 2007-2021 Toyota Tundra and 2008-2022 Toyota Sequoia models.

The ICON Vehicle Dynamics Front Differential Drop Kit (MPN 51060) is a critical upgrade for lifted Tundras and Sequoias. By lowering the front differential, this kit restores better CV axle angles at full suspension droop. Correcting these angles is essential to reducing stress on the CV joints and preventing premature wear or tearing of the CV boots.

This kit features CNC-machined 6061 aluminum spacers and high-strength Grade 8 mounting hardware to ensure a secure, vibration-free fit. The installation is a straightforward, bolt-on process that utilizes the existing factory front differential mounting locations.

• Alleviates severe CV angles at full suspension droop
• Helps prevent premature CV joint wear and boot failure
• CNC-machined 6061 aluminum spacers for precise fitment
• Includes high-quality Grade 8 mounting hardware
• Bolts directly to factory mounting points
• Manufacturer Part Number: 51060

Authoritative Fitment:

• 2007-2021 Toyota Tundra (Base, Limited, SR, SR5, Platinum, 1794 Edition, TRD Pro, Trail, Nightshade)
• 2008-2022 Toyota Sequoia (SR5, Limited, Platinum, TRD Sport, TRD Pro, Nightshade)

Fits select 1995-2006 Toyota Tacoma, 4Runner, and Tundra.

The ICON Vehicle Dynamics 51050 Differential Drop Kit is an essential upgrade for lifted Toyota trucks and SUVs. When a suspension lift is installed, the front CV axle angles are increased, which can cause accelerated wear on CV joints and premature boot failure. This kit provides a reliable solution by lowering the front differential to improve CV axle geometry and restore drivetrain longevity.

• Corrects CV axle angles to reduce stress on joints and boots after lifting
• Precision-machined spacers ensure proper alignment and fitment
• Complete kit includes necessary high-strength mounting hardware
• Straightforward bolt-on installation into factory mounting locations
• Manufacturer Part Number: 51050

Fits 2013-2017 Subaru BRZ, Scion FR-S, and Toyota 86.

The Cusco Rear Differential Brace (MPN 965 488 A) is engineered to reinforce the rear differential carrier, significantly reducing unwanted movement and rotation during aggressive driving. By securing the differential to the subframe, this brace minimizes drivetrain slop and helps eliminate wheel hop, resulting in more consistent traction and improved throttle response under load.

• Reduces differential movement to improve power delivery to the ground
• High-strength steel construction for maximum structural rigidity
• Durable Cusco Blue powder-coated finish for corrosion resistance
• Direct bolt-on design; no drilling or welding required
• Manufacturer Part Number: 965 488 A

Fits Subaru WRX STI (GRB, GVB, VAB), WRX (VAG), and Forester (SJ5, SJG) models.

The Cusco Rear Differential Carrier (6A1 489 A) is engineered to replace the factory unit and eliminate the excessive movement often found in the stock drivetrain setup. By providing a more rigid mounting solution for the rear differential, this carrier minimizes "slop" during hard acceleration and shifting, ensuring that power is transferred to the ground more efficiently and with improved throttle response.

• High-strength steel construction designed for high-torque applications
• Signature Cusco Blue powder-coated finish for superior corrosion resistance
• Reduces differential pitch and movement under heavy load
• Maintains proper drivetrain alignment during aggressive driving
• Direct bolt-on replacement for the OE carrier
• Manufacturer Part Number: 6A1 489 A

Fits 1979-2004 Ford Mustang models, including Base, GT, LX, and SVT Cobra (All Trims).

Strengthen your Mustang's chassis and prevent catastrophic failure with BMR Suspension Upper Torque Box Reinforcement Braces. The factory torque boxes on the 1979-2004 Fox and SN95 chassis are prone to cracking and ripping when subjected to high torque loads, leading to rear-end misalignment and compromised safety. These tubular reinforcement plates bolt directly into the factory mounting points to stabilize the upper control arm mounts and distribute engine torque more effectively across the chassis.

• Fabricated from heavy-duty DOM steel tubing
• Features CNC laser-cut and CNC-formed steel plates for precision fitment
• Direct bolt-on design reinforces critical upper control arm mounting points
• Prevents chassis distortion and maintains proper suspension geometry
• Durable red powder-coated finish for corrosion resistance
• Manufacturer Part Number: TBR005R

Fits 1979-2004 Ford Mustang models including Base, GT, LX, SVT Cobra, and SVO.

Reinforce your chassis and prevent critical failure with BMR Suspension Upper Torque Box Reinforcement Braces. The factory torque boxes on 1979-2004 Mustangs are a notorious weak point; under heavy acceleration or high-torque loads, these thin-gauge stamped steel mounts can fatigue, crack, or completely rip away from the floor pan. This leads to erratic rear-end alignment, poor traction, and unsafe driving conditions. BMR’s tubular braces provide the necessary structural integrity to keep your upper control arm mounts square and secure.

• Manufactured from heavy-duty DOM steel tubing and CNC laser-cut, CNC-formed steel plate
• Reinforces the factory upper control arm mounting points to prevent chassis tearing
• Direct bolt-in design for straightforward installation into the 79-04 chassis
• Durable Black Hammertone powder coat finish for corrosion resistance
• Helps maintain consistent suspension geometry under high-load conditions
• Manufacturer Part Number: TBR005H

Fits 1979-2004 Ford Mustang models including Base, GT, LX, SVT Cobra, SVO, and Bullitt.

Fox-chassis Mustangs are notorious for chassis fatigue when subjected to high torque loads. The factory torque boxes—the critical mounting points for the upper and lower rear control arms—are prone to cracking or even ripping away from the floor pan. This structural failure leads to poor rear-end alignment, unpredictable handling, and unsafe driving conditions. The BMR Suspension Torque Box Reinforcement Plate Kit (TBR004R) provides a heavy-duty solution to stiffen this area and prevent structural failure.

Constructed from CNC-laser cut, CNC-formed steel plate and high-strength DOM steel tubing, this kit is designed to bolt directly into the 1979-2004 Mustang chassis. By reinforcing both the upper and lower control arm mounts, it ensures your suspension geometry remains consistent under load, allowing you to launch harder and put more power to the pavement without risking damage to the chassis.

• Manufacturer Part Number: TBR004R (Includes components TBR005R and TBR003R)
• Material: CNC-laser cut steel plate and DOM steel tubing
• Finish: Durable Red Powdercoat
• Installation: Bolt-in design for the 79-04 Mustang chassis
• Function: Reinforces upper and lower rear control arm mounting points

Fits 1979-2004 Ford Mustang models, including GT, LX, SVT Cobra, and Mach 1.

Strengthen the critical rear suspension mounting points of your 1979-2004 Mustang with the BMR Suspension Torque Box Reinforcement Plate Kit. The factory chassis is prone to flexing, cracking, and even ripping at the torque boxes when subjected to high-torque loads or hard launches. This kit reinforces both the upper and lower control arm mounts, preventing chassis fatigue and maintaining proper rear-end alignment for consistent performance.

Constructed from heavy-duty CNC laser-cut and CNC-formed steel plate combined with DOM steel tubing, this kit is engineered for maximum rigidity. The bolt-on design allows for a straightforward installation to the factory mounting points, providing the structural integrity needed for street, strip, or track use.

• Part Number: TBR004H (Includes components TBR003H and TBR005H)
• Reinforces both upper and lower control arm torque box mounts
• CNC laser-cut and CNC-formed steel construction
• Heavy-duty DOM steel tubing
• Durable Black Hammertone powdercoat finish
• Direct bolt-in installation to the factory chassis

Fits all 1979-2004 Ford Mustang models, including Base, GT, LX, SVO, and SVT Cobra (V6 / V8 / Turbo).

The Fox and SN95 chassis platforms are notorious for torque box failure. Under heavy acceleration or high-torque loads, the factory sheet metal is prone to cracking, stretching, and eventually ripping away from the chassis. This leads to poor rear-end alignment, inconsistent launches, and potential safety hazards. The BMR Suspension TBR001 Torque Box Reinforcement Plate Kit solves this by strengthening the upper and lower control arm mounting points.

Constructed from heavy-duty CNC laser-cut and CNC-formed steel plate, these reinforcements distribute the load over a larger surface area to prevent chassis fatigue. This kit is designed for a straightforward bolt-in installation, allowing you to put more power to the ground without compromising the structural integrity of your Mustang's chassis.

• Fits 1979-2004 Mustang (Fox Body and SN95)
• Reinforces both upper and lower control arm torque boxes
• Manufactured from CNC-laser cut and CNC-formed steel plate
• Prevents chassis ripping and cracking under high torque
• Natural finish, ready for installation or custom coating
• Includes all necessary hardware for a complete installation
• Manufacturer Part Number: TBR001